Yokohama Rubber Co. Ltd. achieved 4.8 billion yen in operating income during the first half of its fiscal year, which ended Sept. 30, a 10.7% increase over the first half of its 2004 fiscal year.
Yokohama also posted 201.3 billion yen in net sales during the first half of fiscal 2005, a 6.1% increase over the same period last year.
Operating income of Yokohama's Tire Group grew to 3.7 billion yen during the first half. The Tire Group's sales rose 7.6% to 145.7 billion yen.